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Old 05-29-2005, 10:09 PM   #15
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Well I read the towing guide at the dealership and the mid 2005 models had a rating increase. Our new F250 with the Tow Boss system reads 16,500 5er and 12,500 TT. This is the same for both the F350 and F250 SRW -PSD 4x4 Crew Cab with the camper package.

I am looking at a WW 3505 LE and want to put a Jeep Wrangler in the back. The GVWR on the WW is 15,000 lbs with a Payload of 6000 lbs. Hitch weight of 1650 lbs that is a two axel I am going for the 3 axle.

Anyone else have the same setup?
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Old 05-30-2005, 07:11 AM   #16
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cboh1,

Granted the GVWR of the newer 2005 F250s are higher and the 12,500# TT is the same for the F250 and F350, the issue is the pin weight and the GVWR. The F350 will carry a higher pin weight. The 12500# rating in the Ford literature has some notes warning not to exceed the GAWR or GVWR in reaching the tow rating.

Typically a 15000# GVWR 5er can have a hitch weight of 2700# or more once loaded. The hitch weight of 1650# you are quoting is most likey a dry weigth. So loaded it will be higher.

Whether it is a two axle or a 3 axle traile, does nothave much bearing on the pin weight. The extra axle is there fro weight carrying due to the load and size of the trailer. The weight is distributed over 3 axles instead of two to load the axles lighter. In other words you have 3 axles carrying the same load that was being carried by just two axles.

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Old 05-30-2005, 09:23 AM   #17
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Thanks

How do I find the pin weight then? I know that the 5er uses a dry weight number. If the truck is rated to tow 16,500 lbs via 5th wheel how do I find the pin weight rating of the truck?

The pin weight dry on the WW is 1,650 lbs. I would assume at a min it would be rated at 2, 500 lbs.
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Old 05-30-2005, 10:37 AM   #18
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All you need to do is weigh the truck in loaded fro travel mode, passenger, any cargo, hitch and full fuel. This we can call the Laden Vehicle Weight (LVW). The GVWR is posted on the drivers door jamb.

GVWR - LVW = Max loaded trailer pin weight.

As for a real pin weight on the trailer, some dealers have a portable scale that they can use to weigh the pin.

On the scales, get the weight of the truck, each axle independently with just the truck. Then weigh again with the 5er on the truck. Subtract the axle weights for the front and rear both loaded and unloaded. Add the two axle difference together and you have the pin weight of the trailer.

Most 5ers run 18 to 20% of the trailer GVWR on the pin. When you load a 5er, which has the large storage area forward of the axles, most of the weight goes on the pin. Also, most 5ers ahve the large closet over the pin, so all of the clothes go on the pin.

In the case of a TH (toy hauler), the pin load might be heavier with out the toys loaded in the rear of the trailer. Once you load some toys, it will take some of the load off of the pin...kinda' like a see-saw.

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Old 06-04-2005, 05:09 PM   #19
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Keep in mind that the ratings Ford publishes are based on a STRIPPED 2wd single cab with NO options. In other words, its the lightest possible weight that the truck could be delivered at. When you add 4x4,crewcab,ect, the the rating goes DOWN because you now have a HEAVIER tow vehicle. The weight you need to be concernrd with is the GCWR(gross combined weight rating). Once you know this, take YOUR rig to a scale and weigh it. Subtract that weight from the GCWR and that will be the weight of the trailer that you can tow FULLY LOADED. That means food,water,clothes,dogs,wifey,kids,ect.
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